If the issue persists, then repeat steps 3 to 7 for your graphics card in the Display Adapters and check if that resolves the issue.Then reboot your PC and check if the adaptive brightness issue is resolved.Choose Let Me Pick from a List of Available Drivers on My Computer Now, near the bottom of the window, open ‘ Let Me Pick from a List of Available Drivers on My Computer’ and select Generic PnP Monitor.Then select Update Driver and in the window shown, choose: Browse My Computer for Drivers.Now expand Monitors and right-click on the Generic PnP Monitor.If the issue persists, launch the Quick User menu (by simultaneously pressing Windows + X keys) and choose Device Manager.Now check if the adaptive brightness issue is resolved.If you have an OEM utility (like Lenovo System Update), then use that utility to update the drivers.
Make sure to check the optional update as well. Update the Windows, drivers (especially, the Graphics driver), and BIOS of your system to the latest build.In this context, updating the Windows, BIOS, and drivers of your system to the latest build may solve the problem. The issue may arise due to the incompatibility between the different OS modules (Windows, drivers, and BIOS) as one of these entities is outdated. Solution 1: Update Windows, Drivers, and BIOS of Your System Furthermore, make sure to disable the Battery Saver (in Settings > System> Battery). Moreover, check if your system does not have a physical button to control this feature (some OEMs do apply this feature through a hardware button). * Press Win + R from keyboard, type regedit and click OK button.The Enable Adaptive Brightness Toggle Missing in Displayīefore moving on to enable the adaptive brightness, keep in mind that the adaptive brightness feature is only available to those devices/graphic cards that are equipped with a light sensor, so, make sure your device has one. Click on the button to toggle between a 0%, 25%, 50%, 75%, or 100% brightness level, but it only allows you to increase the level in 25% increments. * There is a button showing the current brightness (%). Click on expand option if it is not visible. * Look for a button with a sun icon at the right side of task bar, and click on it. You can also make changes with brightness through action center. * Go to the right side pane, under the Brightness and color heading, move the slider left (lower) or right (higher) to the level you would like to have. * Navigate to System category, and click on the Display on the left side. * Tap or click on the Windows button at the bottom-left corner of your desktop to open the Start menu, and select the Settings app. You could manually adjust the brightness level with the monitor’s button. Note: the screen brightness setting won’t be available on PC, while only works on tablets and notebooks.
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